./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 14:09:05,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 14:09:05,860 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 14:09:05,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 14:09:05,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 14:09:05,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 14:09:05,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 14:09:05,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 14:09:05,898 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 14:09:05,899 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 14:09:05,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 14:09:05,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 14:09:05,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 14:09:05,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 14:09:05,902 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 14:09:05,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 14:09:05,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 14:09:05,903 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 14:09:05,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 14:09:05,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 14:09:05,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 14:09:05,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 14:09:05,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 14:09:05,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 14:09:05,906 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 14:09:05,906 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 14:09:05,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 14:09:05,906 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 14:09:05,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 14:09:05,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 14:09:05,907 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 14:09:05,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 14:09:05,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 14:09:05,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 14:09:05,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 14:09:05,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 14:09:05,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 14:09:05,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 14:09:05,908 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 14:09:05,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 14:09:05,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 14:09:05,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 14:09:05,910 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 [2024-11-08 14:09:06,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 14:09:06,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 14:09:06,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 14:09:06,133 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 14:09:06,134 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 14:09:06,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2024-11-08 14:09:07,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 14:09:07,650 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 14:09:07,651 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2024-11-08 14:09:07,660 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc22df8f/bed18c9e260440ff9a39ae855a3fd5fd/FLAGbbe55fa1b [2024-11-08 14:09:08,034 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc22df8f/bed18c9e260440ff9a39ae855a3fd5fd [2024-11-08 14:09:08,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 14:09:08,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 14:09:08,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 14:09:08,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 14:09:08,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 14:09:08,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761b51f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08, skipping insertion in model container [2024-11-08 14:09:08,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 14:09:08,297 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2024-11-08 14:09:08,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 14:09:08,307 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 14:09:08,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2024-11-08 14:09:08,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 14:09:08,444 INFO L204 MainTranslator]: Completed translation [2024-11-08 14:09:08,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08 WrapperNode [2024-11-08 14:09:08,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 14:09:08,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 14:09:08,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 14:09:08,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 14:09:08,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,513 INFO L138 Inliner]: procedures = 29, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 447 [2024-11-08 14:09:08,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 14:09:08,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 14:09:08,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 14:09:08,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 14:09:08,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,543 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,583 INFO L175 MemorySlicer]: Split 83 memory accesses to 15 slices as follows [2, 9, 5, 3, 5, 3, 7, 2, 4, 6, 12, 1, 1, 18, 5]. 22 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [2, 4, 5, 3, 5, 3, 7, 2, 0, 4, 7, 1, 1, 0, 1]. The 5 writes are split as follows [0, 2, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0]. [2024-11-08 14:09:08,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 14:09:08,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 14:09:08,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 14:09:08,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 14:09:08,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (1/1) ... [2024-11-08 14:09:08,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 14:09:08,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:09:08,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 14:09:08,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 14:09:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2024-11-08 14:09:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2024-11-08 14:09:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 14:09:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 14:09:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 14:09:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 14:09:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 14:09:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-08 14:09:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-08 14:09:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-08 14:09:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-08 14:09:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-08 14:09:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-08 14:09:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-08 14:09:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-08 14:09:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-08 14:09:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-08 14:09:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 14:09:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 14:09:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 14:09:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 14:09:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 14:09:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 14:09:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-08 14:09:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-08 14:09:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-08 14:09:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-08 14:09:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-08 14:09:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-08 14:09:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-08 14:09:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-08 14:09:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-08 14:09:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-08 14:09:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 14:09:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 14:09:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 14:09:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 14:09:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 14:09:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 14:09:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 14:09:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 14:09:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 14:09:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 14:09:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 14:09:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 14:09:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 14:09:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 14:09:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 14:09:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 14:09:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 14:09:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 14:09:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 14:09:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 14:09:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 14:09:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 14:09:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 14:09:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 14:09:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 14:09:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 14:09:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 14:09:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 14:09:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 14:09:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 14:09:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 14:09:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 14:09:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 14:09:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 14:09:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 14:09:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 14:09:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-08 14:09:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-08 14:09:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-08 14:09:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-08 14:09:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-08 14:09:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-08 14:09:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 14:09:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 14:09:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 14:09:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 14:09:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 14:09:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 14:09:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 14:09:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 14:09:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 14:09:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 14:09:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-11-08 14:09:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-11-08 14:09:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 14:09:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2024-11-08 14:09:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2024-11-08 14:09:08,884 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 14:09:08,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 14:09:09,287 INFO L? ?]: Removed 150 outVars from TransFormulas that were not future-live. [2024-11-08 14:09:09,287 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 14:09:09,299 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 14:09:09,300 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-08 14:09:09,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:09:09 BoogieIcfgContainer [2024-11-08 14:09:09,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 14:09:09,302 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 14:09:09,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 14:09:09,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 14:09:09,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 02:09:08" (1/3) ... [2024-11-08 14:09:09,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750c533c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 02:09:09, skipping insertion in model container [2024-11-08 14:09:09,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:09:08" (2/3) ... [2024-11-08 14:09:09,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750c533c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 02:09:09, skipping insertion in model container [2024-11-08 14:09:09,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:09:09" (3/3) ... [2024-11-08 14:09:09,307 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2024-11-08 14:09:09,319 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 14:09:09,320 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 14:09:09,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 14:09:09,376 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@58f313a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 14:09:09,377 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 14:09:09,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 91 states have (on average 1.6043956043956045) internal successors, (146), 92 states have internal predecessors, (146), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 14:09:09,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 14:09:09,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:09:09,389 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:09:09,389 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:09:09,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:09:09,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1887143821, now seen corresponding path program 1 times [2024-11-08 14:09:09,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:09:09,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463431347] [2024-11-08 14:09:09,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:09:09,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:09:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:09:09,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:09:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:09:09,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 14:09:09,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:09:09,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463431347] [2024-11-08 14:09:09,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463431347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:09:09,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:09:09,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 14:09:09,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181531923] [2024-11-08 14:09:09,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:09:09,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 14:09:09,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:09:09,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 14:09:09,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 14:09:09,741 INFO L87 Difference]: Start difference. First operand has 104 states, 91 states have (on average 1.6043956043956045) internal successors, (146), 92 states have internal predecessors, (146), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 14:09:09,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:09:09,775 INFO L93 Difference]: Finished difference Result 203 states and 324 transitions. [2024-11-08 14:09:09,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 14:09:09,777 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-08 14:09:09,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:09:09,783 INFO L225 Difference]: With dead ends: 203 [2024-11-08 14:09:09,783 INFO L226 Difference]: Without dead ends: 98 [2024-11-08 14:09:09,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 14:09:09,788 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:09:09,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:09:09,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-08 14:09:09,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-08 14:09:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 86 states have (on average 1.5232558139534884) internal successors, (131), 87 states have internal predecessors, (131), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 14:09:09,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 146 transitions. [2024-11-08 14:09:09,821 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 146 transitions. Word has length 27 [2024-11-08 14:09:09,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:09:09,822 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 146 transitions. [2024-11-08 14:09:09,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 14:09:09,822 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 146 transitions. [2024-11-08 14:09:09,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 14:09:09,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:09:09,824 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:09:09,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 14:09:09,824 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:09:09,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:09:09,825 INFO L85 PathProgramCache]: Analyzing trace with hash -276376172, now seen corresponding path program 1 times [2024-11-08 14:09:09,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:09:09,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974929807] [2024-11-08 14:09:09,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:09:09,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:09:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:09:09,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 14:09:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:09:09,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 14:09:09,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:09:09,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974929807] [2024-11-08 14:09:09,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974929807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:09:09,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:09:09,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 14:09:09,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986538325] [2024-11-08 14:09:09,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:09:09,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 14:09:09,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:09:09,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 14:09:09,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 14:09:09,991 INFO L87 Difference]: Start difference. First operand 98 states and 146 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 14:09:10,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:09:10,012 INFO L93 Difference]: Finished difference Result 98 states and 146 transitions. [2024-11-08 14:09:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 14:09:10,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-08 14:09:10,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:09:10,014 INFO L225 Difference]: With dead ends: 98 [2024-11-08 14:09:10,014 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 14:09:10,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 14:09:10,017 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:09:10,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:09:10,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 14:09:10,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 14:09:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 14:09:10,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 14:09:10,019 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2024-11-08 14:09:10,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:09:10,019 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 14:09:10,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 14:09:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 14:09:10,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 14:09:10,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 14:09:10,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 14:09:10,025 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 14:09:10,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 14:09:10,061 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 14:09:10,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 02:09:10 BoogieIcfgContainer [2024-11-08 14:09:10,086 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 14:09:10,088 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 14:09:10,088 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 14:09:10,089 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 14:09:10,089 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:09:09" (3/4) ... [2024-11-08 14:09:10,091 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 14:09:10,094 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_113 [2024-11-08 14:09:10,095 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2024-11-08 14:09:10,095 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_107 [2024-11-08 14:09:10,102 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2024-11-08 14:09:10,103 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-08 14:09:10,103 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-08 14:09:10,104 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 14:09:10,104 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 14:09:10,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 14:09:10,234 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 14:09:10,235 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-08 14:09:10,235 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 14:09:10,235 INFO L158 Benchmark]: Toolchain (without parser) took 2197.84ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 65.8MB in the beginning and 111.8MB in the end (delta: -46.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-08 14:09:10,235 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 14:09:10,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.78ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 65.6MB in the beginning and 165.1MB in the end (delta: -99.6MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-08 14:09:10,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.17ms. Allocated memory is still 197.1MB. Free memory was 165.1MB in the beginning and 162.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 14:09:10,236 INFO L158 Benchmark]: Boogie Preprocessor took 127.44ms. Allocated memory is still 197.1MB. Free memory was 162.0MB in the beginning and 154.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 14:09:10,236 INFO L158 Benchmark]: RCFGBuilder took 654.92ms. Allocated memory is still 197.1MB. Free memory was 154.7MB in the beginning and 105.4MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-08 14:09:10,236 INFO L158 Benchmark]: TraceAbstraction took 784.22ms. Allocated memory is still 197.1MB. Free memory was 104.3MB in the beginning and 122.3MB in the end (delta: -17.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 14:09:10,237 INFO L158 Benchmark]: Witness Printer took 146.41ms. Allocated memory is still 197.1MB. Free memory was 122.3MB in the beginning and 111.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 14:09:10,239 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.78ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 65.6MB in the beginning and 165.1MB in the end (delta: -99.6MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.17ms. Allocated memory is still 197.1MB. Free memory was 165.1MB in the beginning and 162.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.44ms. Allocated memory is still 197.1MB. Free memory was 162.0MB in the beginning and 154.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 654.92ms. Allocated memory is still 197.1MB. Free memory was 154.7MB in the beginning and 105.4MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 784.22ms. Allocated memory is still 197.1MB. Free memory was 104.3MB in the beginning and 122.3MB in the end (delta: -17.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 146.41ms. Allocated memory is still 197.1MB. Free memory was 122.3MB in the beginning and 111.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 489]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 437 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 141 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 296 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 305]: Procedure Contract for Id_MCDC_113 Derived contract for procedure Id_MCDC_113. Ensures: (((((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_130 == \old(Id_MCDC_130))) && (Id_MCDC_131 == \old(Id_MCDC_131))) && (Id_MCDC_132 == \old(Id_MCDC_132))) - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero. Ensures: (((((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_130 == \old(Id_MCDC_130))) && (Id_MCDC_131 == \old(Id_MCDC_131))) && (Id_MCDC_132 == \old(Id_MCDC_132))) - ProcedureContractResult [Line: 218]: Procedure Contract for Id_MCDC_107 Derived contract for procedure Id_MCDC_107. Ensures: (((((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_130 == \old(Id_MCDC_130))) && (Id_MCDC_131 == \old(Id_MCDC_131))) && (Id_MCDC_132 == \old(Id_MCDC_132))) RESULT: Ultimate proved your program to be correct! [2024-11-08 14:09:10,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE